Package org.drools.base.mvel

Examples of org.drools.base.mvel.MVELCompilationUnit

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                throw new RuntimeException("Unable to load class",e );
            }

            Declaration decl = (Declaration) context.get( expr );
            // build an external function executor
            MVELCompilationUnit compilationUnit = new MVELCompilationUnit( name,
                                                                           expr,
                                                                           new String[]{}, // global identifiers
                                                                           new EvaluatorWrapper[]{}, // operator identifiers
                                                                           new Declaration[]{}, // previous declarations
                                                                           new Declaration[]{decl}, // local declarations
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                name = context.getPkg().getName() + ".Unknown";
            }
        } else {
            name = "Unknown";
        }
        MVELCompilationUnit compilationUnit = new MVELCompilationUnit( name,
                                                                       expression,
                                                                       pkgImports,
                                                                       importClasses.toArray( new String[importClasses.size()] ),
                                                                       importMethods.toArray( new String[importMethods.size()] ),
                                                                       importFields.toArray( new String[importFields.size()] ),
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            final AnalysisResult analysis = dialect.analyzeExpression( context,
                                                                       accumDescr,
                                                                       func.getParams().length > 0 ? func.getParams()[0] : "\"\"",
                                                                       boundIds );

            MVELCompilationUnit unit = dialect.getMVELCompilationUnit( func.getParams().length > 0 ? func.getParams()[0] : "\"\"",
                                                                       analysis,
                                                                       getUsedDeclarations( decls,
                                                                                            analysis ),
                                                                       getUsedDeclarations( sourceOuterDeclr,
                                                                                            analysis ),
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//                                                                             "drools",
//                                                                             KnowledgeHelper.class );
//        }

        context.setTypesafe( initCodeAnalysis.isTypesafe() );
        MVELCompilationUnit initUnit = dialect.getMVELCompilationUnit( (String) accumDescr.getInitCode(),
                                                                       initCodeAnalysis,
                                                                       getUsedDeclarations( decls,
                                                                                            initCodeAnalysis ),
                                                                       getUsedDeclarations( sourceOuterDeclr,
                                                                                            initCodeAnalysis ),
                                                                       initCodeAnalysis.getMvelVariables(),
                                                                       context,
                                                                       "drools",
                                                                       KnowledgeHelper.class,
                                                                       readLocalsFromTuple );

        context.setTypesafe( actionCodeAnalysis.isTypesafe() );
        MVELCompilationUnit actionUnit = dialect.getMVELCompilationUnit( (String) accumDescr.getActionCode(),
                                                                         actionCodeAnalysis,
                                                                         getUsedDeclarations( decls,
                                                                                              actionCodeAnalysis ),
                                                                         getUsedDeclarations( sourceOuterDeclr,
                                                                                              actionCodeAnalysis ),
                                                                         initCodeAnalysis.getMvelVariables(),
                                                                         context,
                                                                         "drools",
                                                                         KnowledgeHelper.class,
                                                                         readLocalsFromTuple );

        MVELCompilationUnit reverseUnit = null;
        if ( accumDescr.getReverseCode() != null ) {
            context.setTypesafe( actionCodeAnalysis.isTypesafe() );
            reverseUnit = dialect.getMVELCompilationUnit( (String) accumDescr.getReverseCode(),
                                                          actionCodeAnalysis,
                                                          getUsedDeclarations( decls,
                                                                               actionCodeAnalysis ),
                                                          getUsedDeclarations( sourceOuterDeclr,
                                                                               actionCodeAnalysis ),
                                                          initCodeAnalysis.getMvelVariables(),
                                                          context,
                                                          "drools",
                                                          KnowledgeHelper.class,
                                                          readLocalsFromTuple );
        }

        context.setTypesafe( resultCodeAnalysis.isTypesafe() );
        MVELCompilationUnit resultUnit = dialect.getMVELCompilationUnit( (String) accumDescr.getResultCode(),
                                                                         resultCodeAnalysis,
                                                                         getUsedDeclarations( decls,
                                                                                              resultCodeAnalysis ),
                                                                         getUsedDeclarations( sourceOuterDeclr,
                                                                                              resultCodeAnalysis ),
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                }
            }
        }

        String expression = expressionBuilder.toString();
        MVELCompilationUnit compilationUnit = getConstraintBuilder( context ).buildCompilationUnit(context, pattern, expression, mvelCtx.getAliases());

        Constraint combinedConstraint = getConstraintBuilder( context ).buildMvelConstraint( packageName,
                                                                                             expression,
                                                                                             declarations.toArray(new Declaration[declarations.size()]),
                                                                                             compilationUnit,
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                    predicateDescr,
                    analysis);

            pattern.addConstraint( predicateConstraint );
        } else {
            MVELCompilationUnit compilationUnit = getConstraintBuilder( context ).buildCompilationUnit(context,
                    previousDeclarations,
                    localDeclarations,
                    predicateDescr,
                    analysis);
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        boolean isUnification = requiredDeclaration != null && requiredDeclaration.getPattern().getObjectType().equals( new ClassObjectType( DroolsQuery.class ) ) && Operator.EQUAL.getOperatorString().equals( operatorDescr.getOperator() );
        if (isUnification) {
            expression = resolveUnificationAmbiguity(expression, declarations, leftValue, rightValue);
        }
        IndexUtil.ConstraintType constraintType = IndexUtil.ConstraintType.decode(operatorDescr.getOperator());
        MVELCompilationUnit compilationUnit = isUnification ? null : buildCompilationUnit(context, pattern, expression, null);
        return new MvelConstraint(context.getPkg().getName(), expression, declarations, compilationUnit, constraintType, requiredDeclaration, extractor, isUnification);
    }
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            return new EvaluatorConstraint(field, evaluator, extractor);
        }

        String mvelExpr = normalizeMVELLiteralExpression(vtype, field, expression, leftValue, operator, rightValue, restrictionDescr);
        IndexUtil.ConstraintType constraintType = IndexUtil.ConstraintType.decode(operator);
        MVELCompilationUnit compilationUnit = buildCompilationUnit(context, pattern, mvelExpr, null);
        return new MvelConstraint(context.getPkg().getName(), mvelExpr, compilationUnit, constraintType, field, extractor);
    }
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            // something bad happened
            return null;
        }

        Declaration[][] usedDeclarations = getUsedDeclarations(context, pattern, analysis);
        MVELCompilationUnit compilationUnit = buildCompilationUnit(context, usedDeclarations[0], usedDeclarations[1], predicateDescr, analysis);

        context.setDialect(dialect);
        return compilationUnit;
    }
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            }
        }

        MVELDialect dialect = (MVELDialect) context.getDialect( context.getDialect().getId() );

        MVELCompilationUnit unit = null;

        try {
            Map<String, Class< ? >> declIds = context.getDeclarationResolver().getDeclarationClasses( context.getRule() );

            Pattern p = (Pattern) context.getBuildStack().peek();
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Related Classes of org.drools.base.mvel.MVELCompilationUnit

  • org.drools.base.ModifyInterceptor
  • org.drools.common.InternalFactHandle
  • org.drools.reteoo.test.dsl.AccumulateNodeStep
  • org.drools.rule.builder.ConstraintBuilder
  • org.drools.rule.builder.dialect.mvel.MVELAccumulateBuilder
  • org.drools.rule.builder.dialect.mvel.MVELActionBuilder
  • org.drools.rule.builder.dialect.mvel.MVELConsequenceBuilder
  • org.drools.rule.builder.dialect.mvel.MVELDialect
  • org.drools.rule.builder.dialect.mvel.MVELEnabledBuilder
  • org.drools.rule.builder.dialect.mvel.MVELEvalBuilder
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